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Margarita [4]
3 years ago
13

How do you solve for x in this equation?

Mathematics
1 answer:
nasty-shy [4]3 years ago
7 0
I think it's 2x + 2 + 5x - 1 = 7x +12
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last year, Carmen opened an investment account with $7400. At the end of the year, the amount in the account had decrease buy 26
kvasek [131]
The account decreased by
7,400×0.265=1,961

The account at the end of the year
7,400−1,961=5,439
4 0
3 years ago
If logx27 + logy4 =5<br>and logx27 - logy4 =1<br>find x and y​
Elanso [62]

Answer:

Hello,

I have reply too quick in comments (sorry)

Step-by-step explanation:

\left\{\begin{array}{ccc}log_x (27)+log_y (4)=5\\log_x (27)-log_y (4)=1\\\end{array}\right.\\\\\\\left\{\begin{array}{ccc}2*log_x (27)=6\\2*log_y (4)=4\\\end{array}\right.\\\\\\\left\{\begin{array}{ccc}log_x (27)=3\\log_y (4)=2\\\end{array}\right.\\\\\\\left\{\begin{array}{ccc}x^{log_x (27)}=x^3\\y^{log_y (4)}=y^2\\\end{array}\right.\\\\\\\left\{\begin{array}{ccc}27=x^3\\4=y^2\\\end{array}\right.\\\\\\\left\{\begin{array}{ccc}x=3\\y=2\\\end{array}\right.\\\\

5 0
2 years ago
What’s the correct answer for this?
otez555 [7]

Answer:

0.7 + 0.4 - 0.2 = 0.9

Step-by-step explanation:

Let's denote the probabilities as following:

The probability that the show had animals is

P(A) = 0.7

The probability that the show aired more than 10 times is

P(B) = 0.4

The probability that the show had animals and aired more than 10 times is

P(A⋂B) = 0.2

The probability that a randomly selected show had animals or aired more than 10 times is P(A⋃B)

The correct form of  addition rule to determine the probability that a randomly selected show had animals or aired more than 10 times is:

P(A⋃B) = P(A) + P(B) - P(A⋂B) = 0.7 + 0.4 - 0.2 = 0.9

=> Option B is correct

Hope this helps!

7 0
2 years ago
DUE IN THE NEXT 10 MINUTES, PLEASE HELP! Describe the strategy used to find an equation of a line, given its slope and a point o
Llana [10]
Y=mx+b helps to find slope of a line.
B is where it starts on the y axis.
m is the slope.
3 0
3 years ago
3/10+4/100+9/1000 as a decimal
Kipish [7]

Answer:

0.349

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
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